December weather forecast
Cuba

December in Cuba signals the full onset of the dry season, bringing about a considerable change in the nation's weather. Average temperatures during this month range from 18.9°C (66°F) to 26.7°C (80.1°F), reflecting a continuation of the cooling trend observed since the end of the hot summer months.

The capital city, Havana, follows the national trend with temperatures dropping to approximately 19°C (66.2°F) during the night, and daytime highs reaching around 27°C (80.6°F). Rainfall in December is significantly low, with an average of 33mm (1.3"), further affirming the commencement of the dry season.

Contrasting with the general climate, Guantanamo Bay, on the southern side of the mountains, receives a lower amount of rainfall relative to the rest of Cuba. This region's distinctive drier climate is maintained throughout December with noticeably reduced rainfall.

Compared to November, December experiences a further drop in both temperatures and rainfall. As the dry season takes hold in Cuba, the trend of lowering temperatures and diminishing precipitation continues into the New Year.

Daylight hours continue to decrease in December, with Cuba receiving just above 10 hours of daylight on average. The reduction in daylight hours signifies the transition into winter months with shorter days and longer nights.

By December, the North American cold fronts' influence is distinctly felt across the country. The weather remains predominantly tropical, characterized by isolated rainfall, lower humidity, and cooler temperatures. Evenings can be particularly cool, especially in coastal areas where sea breezes effectively counteract the daytime heat.

Sea temperatures during December remain comfortable, averaging between 24.1°C (75.4°F) to 26.1°C (79°F). Although slightly cooler than the preceding months, these temperatures are still conducive for water activities. As the hurricane season ends in November, the risks associated with storms are minimal in December, making it a safer period for sea-based excursions.

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• Havana - December »
  January, February, November and December, with an average of 7h of sunshine, are months with the least sunshine in Havana, Cuba. In Havana in December, during 5 rainfall days, 58mm (2.28") of precipitation is typically accumulated.
• Santiago de Cuba - December »
  In Santiago de Cuba, in December, it is raining for 12.1 days, with typically 25mm (0.98") of accumulated precipitation. The month with the shortest days in Santiago de Cuba is December, with an average of 10h and 54min of daylight.
• Camaguey - December »
  January through March, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Camaguey, Cuba. January through March, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Camaguey, Cuba.
• Holguin - December »
  The month with the shortest days in Holguin, Cuba, is December, with an average of 10h and 54min of daylight. In Holguin, during December, the rain falls for 9.1 days and regularly aggregates up to 11mm (0.43") of precipitation.
• Santa Clara - December »
  The month with the shortest days in Santa Clara is December, with an average of 10h and 48min of daylight. The month with the shortest days in Santa Clara is December, with an average of 10h and 48min of daylight.
• Guantanamo - December »
  The month with the shortest days in Guantanamo is December, with an average of 10h and 54min of daylight. The month with the shortest days in Guantanamo is December, with an average of 10h and 54min of daylight.
• Bayamo - December »
  In Bayamo the months of January and December are known for the lowest temperatures, reaching an average high of 28.7°C (83.7°F). December has the shortest days of the year in Bayamo with an average of 10h and 54min of daylight.
• Las Tunas - December »
  In Las Tunas during December, the rain falls for 11.1 days and regularly aggregates up to 21mm (0.83") of precipitation. January through March, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Las Tunas, Cuba.
• Cienfuegos - December »
  The months with the lowest UV index in Cienfuegos are January through March, November and December, with an average maximum UV index of 6. Capping off the year in pleasant climatic conditions, December in Cienfuegos sees the temperature band narrow to a range from 19.9°C (67.8°F) to 27.1°C (80.8°F).
• Pinar del Río - December »
  In Pinar del Río in December, it is raining for 11.9 days, with typically 31mm (1.22") of accumulated precipitation. In Pinar del Río, during December, the rain falls for 11.9 days and regularly aggregates up to 31mm (1.22") of precipitation.
• Manzanillo - December »
  With an average of 10h and 54min of daylight, December has the shortest days of the year in Manzanillo. In Manzanillo during December, the rain falls for 10.5 days and regularly aggregates up to 16mm (0.63") of precipitation.
• Matanzas - December »
  In Matanzas, in December, during 11.5 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Matanzas, during December, the rain falls for 11.5 days and regularly aggregates up to 24mm (0.94") of precipitation.